Job Reference: 00000049-1Date Posted: 8 October 2026Recruiter: Coberon ChronosLocation: SpainRemote Working: 100% remote working possibleSalary: On ApplicationSector: Engineering, IT & TechJob Type: Permanent, Full-time, Home-office based, W2, RemoteEmail: [email protected] for this job nowJob DescriptionOur client is a world-class American B2B software company, a leader in its field. We are looking for exceptional Senior Backend Software Engineers (Tech stack: Ruby/ RoR, PostgreSQL, Redis, Kafka, k8s) to join the team that develops and maintains everything related to recipe execution: DSL, pulling events, processing webhooks, and executing jobs. It has various aspects: performance, scaling, storage, durability, atomicity, concurrency guarantees, data protection, and encryption. These are full-time, permanent positions offering highly competitive compensation and benefits. MUST-HAVE REQUIREMENTS Strong experience in building scalable distributed backend applications (5+ years). Great understanding of all building blocks of large web applications: databases, load balancers,



application servers, message brokers, caching, monitoring, etc. Good understanding of network protocols and stacks. Good understanding of DB technologies: classic databases and modern no-SQL. Knowledge of basic data structures and algorithms and how they are used is a must. Multilingual programming experience: our code base is primarily in Ruby, with a trend to migrate to GOlang and Rust. Excellent debugging, analytical, problem-solving, and social skills. BS/MS degree in Computer Science, Engineering, or a related subject, 7+ years of industry experience. Readiness to work remotely with teams distributed across the world and time zones occasionally. ADVANTAGE IF YOU HAVE * Background in GOlang and/or Rust. * Background in network programming. * Background in applications and data security. * Deep knowledge of physical DB design. * Experience working with Docker and other isolation techno

📌 Senior Backend Software Engineer (Comunidad de Madrid)
🏢 Chronos Consulting
📍 Comunidad de Madrid